Home / 56,882.70-85,338.12-25,709.58

Finding the Fourth Proportional to 56,882.70, 85,338.12 and 25,709.58

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Solution

The fourth proportional to 56,882.70, 85,338.12 and 25,709.58 is: 38,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882.70 : 85,338.12 = 25,709.58 : x
  2. Step 2: Convert to fraction form
    56,882.70/85,338.12 = 25,709.58/x
  3. Step 3: Cross multiply
    56,882.70x = 85,338.12 × 25,709.58
  4. Step 4: Simplify right side
    56,882.70x = 2,194,007,223.19
  5. Step 5: Solve for x
    x = 2,194,007,223.19/56,882.70
  6. Step 6: Final answer
    x = 38,570.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.